Year: 2002
Type: article
Abstract: An analysis of the baryon-baryon potential from the point of view of large-${N}_{c}$ QCD is performed. A comparison is made between the ${N}_{c}$-scaling behavior directly obtained from an analysis at the quark-gluon level to the ${N}_{c}$ scaling of the potential for a generic hadronic field theory in which it arises via meson exchanges and for which the parameters of the theory are given by their canonical large-${N}_{c}$ scaling behavior. The purpose of this comparison is to use large-${N}_{c}$ consistency to test the widespread view that the interaction between nuclei arises from QCD through the exchange of mesons. Although at the one- and two-meson exchange level the scaling rules for the potential derived from the hadronic theory matches the quark-gluon level prediction, at the three- and higher-meson exchange level a generic hadronic theory yields a potential which scales with ${N}_{c}$ faster than that of the quark-gluon theory.
Source: Physical Review C
Authors: A. V. Belitsky, T. D. Cohen
Institution: University of Maryland, College Park
Language: Latvian
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W1858668602